What is a sysadmin?
What does the term “sysadmin” or “system administrator” mean to you? What does a sysadmin do? How do you know you are one?
Existential questions like this seldom have concrete answers, and the answers that do present themselves can be pretty fluid. The answers are also significantly different for different people and depend upon their work experience.
systemd — #13: Why I support the systemd plan to take over the world
There is no nefarious plan, just one to bring System Management into the 21st century.
How I customize my Linux window decorations
How I made minor modifications to the Alienware-Bluish theme on my Xfce desktop to suit my own aesthetic.
systemd — #12: Fixing systemd-resolved name service failures using Ansible
Name resolution and the ever-changing networking landscape.
systemd — #11: Managing resources with cgroups in systemd
Cgroups manage resources per application rather than by the individual processes that make up an application.
4 open source tools for Linux system monitoring
Information is the key to resolving any computer problem, including problems with or relating to Linux and the hardware on which it runs. There are many tools available for most distributions. These tools can be used to obtain huge amounts of information.
How I got RGB Lighting Working on my Corsair Keyboard
A good keyboard is important to your health and productivity. It can be fun, too.
systemd — #10: Analyze Linux startup performance
Use systemd-analyze to get insights and solve problems with Linux startup performance.
systemd — #9: Using systemd journals to troubleshoot transient problems
Find the root cause of hard-to-track errors by diving into your systemd journals.
systemd — #8: Analyzing systemd calendar and timespans
Learn how systemd uses calendar time, timestamps, and timespans to control when things happen.
systemd — #7: Use systemd timers instead of cronjobs
systemd timers provide a more fine-grained control of events than cronjobs and offer more scheduling possibilities.
systemd — #6: Control your computer time and date with systemd
Keep your computer time in sync with NTP, Chrony, and systemd-timesyncd.
systemd — #5: How I manage startup using systemd
systemd starts as many services as possible in parallel during the Linux startup sequence. Learn how to create a new systemd service and how to determine the order in which services start within that parallelism.
systemd — #4: How to use systemd as a troubleshooting tool
systemd is powerful troubleshooting tool. The information we can extract from it points the way toward solving problems.
How I hacked my Linux system with a Live USB device
I used a Fedora Live USB to hack into my systems, enter recovery mode, and resolve a problem that I’d created on multiple computers.